So our main challenge is breeding robust plants that can withstand the dry and salty land.

The key to doing so is hidden in their DNA.

Enhancing energy efficiency

A lot of the work PEB does revolves around improving the energy efficiency of plants.

Plants take in energy from the Sun and turn it into the food we eat. If we can find a way for them to be more efficient at that, it could help them survive under less ideal conditions.

“We’re trying to understand the basic components of how … energy efficiency works in plants and then utilise it to change the way that the plants interact with their environment and what they can produce,” Harvey says.

“Our role has largely been finding the genes and suites of genes that are important for how plants respond to the environment, how they cope with harsh conditions.”

Once the genes are identified for something like drought or frost resilience, plants can be bred to survive better in low rain or cold conditions.

But there’s more we can breed plants for than just surviving on Sun-scorched plains or through freezing cold nights. PEB also works to identify genes for traits that make plants more profitable.

For example, the protein content of wheat can make it more or less profitable. Higher nutrient content in grains can increase interest in markets needing the health boost. Even in well nourished countries, boosting certain oils in plants that are linked to health benefits can make them more profitable.

“These are all potential areas where modifications can be made that benefit different groups and bring profits to farmers,” says Harvey.

Working together

Finding genes for traits is only the first part of a larger puzzle. PEB then needs to forward the information to people who can breed plants to have those genes. Then the plants must be tested in an actual farming situation.

There are many people and groups involved in turning the idea into a real change in industry.

Harvey likens it to the pharmaceutical industry.

“The pharmaceutical industry comes up with lots of leads, lots of ideas of new drugs that could be beneficial,” explains Harvey.

“They go through a whole series of different trials, and then at the end of that you might have a few products that come out that are widely used.”

A bright future

There are many opportunities for the future of Australian agriculture. If we continue to research and advance our knowledge in plant energy efficiency, our future could be very bright.

Harvey says one of the biggest opportunities lies in making food to export rather than just exporting grains.

“There’s an awful lot of profit for the country in actually taking those primary products and … making food … and exporting that,” he says,

“so making Australia an exporter of food rather than an exporter of primary commodities.”

It seems Australia will have a large role to play in global food security.

Thanks to the hard work of plant researchers, breeders and farmers, Australia won’t just be able to grow more food, we’ll be growing better food. This food, from our land down under, could be the way we feed the world in the future.

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Cahli Samata

Digital Content Creator

While studying, Cahli loved talking science with anyone willing (or not) to listen. So she added a Communications degree to her uni debts and now lives the dream at Scitech as a Digital Content Creator. Outside of work, Cahli enjoys geeking out on RPGs and making friends with people’s dogs.

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